He married Kerri Walsh, a beach volleyball player with three gold and one bronze Olympic medals, in 2005.

On December 4, 2005, he married Olympic Gold Medalist Kerri Walsh in Palm Springs, California, where many AVP players were in attendance.

On December 3, 2008, Walsh announced to Access Hollywood that she and her husband were expecting their first child and that the baby might have been conceived in Beijing.

[2] On April 6, 2013, Walsh delivered the couple's first daughter, Scout Margery, with whom she was five weeks pregnant when she won her third gold medal at the London Olympics.

Jennings along with partner Kevin Wong successfully ended the 2010 season by capturing gold at the Swatch FIVB World Tour by beating the Brazilian duo of Benjamin Insfran and Bruno Schmidt at The Hague, Netherlands.